Engineering economy
[经] 工程节约, 工程经济学
🧩 词语组成解析
engineering
['ɛndʒə'nɪrɪŋ]
n. 工程（学）， 工程师行业;操纵，管理;土木工程，工事;开车技术;
engineer工程师+ing表示...行业...学 →engineering
🗣️ 情景例句
The soundtrack from Lord of the Rings has truned into a big hit.
《指环王》的原声唱片卖得满堂红。
Sorry, I guess I wasn't thinking. I won't do it again.
对不起。我对这事没想过，下次不这样了。
No littering on the campus.
在校园内不准乱丢废物。